<template>
  <view>
    <view class="login-container">
      <!-- 提示登录的图标 -->
      <uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
      <!-- 登录按钮 -->
      <button type="primary" class="btn-login" open-type="getUserInfo" @getuserinfo="getUserInfo">一键登录</button>
      <!-- 登录提示 -->
      <view class="tips-text">登录后尽享更多权益</view>
    </view>
  </view>
</template>

<script>
import { mapMutations } from 'vuex';
export default {
  name: 'my-login',
  data() {
    return {};
  },
  methods: {
    ...mapMutations('m_user', ['updateUserInfo','updateToken']),
    getUserInfo(e) {
      // console.log('e', e);
      if (e.detail.errMsg === 'getUserInfo:fail auth deny') return uni.$showMsg('你取消获取用户信息的权限');
      // console.log(e.detail.userInfo);
      this.updateUserInfo(e.detail.userInfo);
      // 获取登录成功后的 Token 字符串
      this.getToken(e.detail);
    },
    async getToken(info) {
      // 获取code
      let [err, data] = await uni.login().catch(e => console.log(e));
      if (err === null && data.errMsg === 'login:ok') {
        // 准备参数对象
        const query = {
          code: data.code,
          encrypteData: info.encryptedData,
          iv: info.iv,
          rawData: info.rawData,
          signature: info.signature
        };
        // 换取 token
        const { data: loginResult } = await uni.$http.post('/api/public/v1/users/wxlogin', query);
        console.log('loginResult',loginResult)
        this.updateToken(loginResult.message.token)
        if (loginResult.meta.status !== 200) {
          uni.$showMsg('登录失败');
        } else {
          uni.$showMsg('登录成功');
        }
        // console.log(data.code);
        // console.log(info);
      } else {
        uni.$showMsg('登陆失败');
      }
    }
  }
};
</script>

<style lang="scss">
.login-container {
  // 登录盒子的样式
  height: 750rpx;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: #f8f8f8;
  position: relative;
  overflow: hidden;

  // 绘制登录盒子底部的半椭圆造型
  &::after {
    content: ' ';
    display: block;
    position: absolute;
    width: 100%;
    height: 40px;
    left: 0;
    bottom: 0;
    background-color: white;
    border-radius: 100%;
    transform: translateY(50%);
  }

  // 登录按钮的样式
  .btn-login {
    width: 90%;
    border-radius: 100px;
    margin: 15px 0;
    background-color: #c00000;
  }

  // 按钮下方提示消息的样式
  .tips-text {
    font-size: 12px;
    color: gray;
  }
}
</style>
